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CLASS A/B OPERATOR UNDERGROUND STORAGE
EXAM 2025 | ALL QUESTIONS AND CORRECT
ANSWERS | ALREADY GRADED A+ | VERIFIED
ANSWERS
Which method uses sensors that detect petroleum product in the soil? ------ ---CORRECT ANSWER-----------------Vapor Monitoring An overfill alarm is not capable of shutting off the flow of product during fuel delivery. ---------CORRECT ANSWER-----------------True A spill catchment basin or spill bucket is simply a bucket used to dispose of oil-absorbent materials and clean up materials used after a spill has occurred. ---------CORRECT ANSWER-----------------False What does overfill protection do? ---------CORRECT ANSWER----------------- It can stop and/or reduce product delivery flow before the UST becomes completely full and begins releasing fuel into the environment What is cathodic protection? ---------CORRECT ANSWER-----------------A system that is installed to prevent corrosion of steel tanks and piping An overfill alarm will alert operators and delivery personnel when a UST is _______ full or within one minuts of being overfilled. ---------CORRECT ANSWER-----------------90%
As of 1998, spill buckets have been required for all UST/AST systems that recieve deliveries of more than _________ gallons at a time. --------- CORRECT ANSWER----------------- 25 What are sensitive receptors? ---------CORRECT ANSWER----------------- Storm drains, nearby bodies of water, drinking water wells, or curb breaks where regulated substances could enter the environment. You must investigate and confirm all suspected releases within ________ days of discovery. ---------CORRECT ANSWER----------------- 7 All spills and overfills must be cleaned up.... ---------CORRECT ANSWER--- --------------Immediately Confirmed releases must be reported to LARA...... ---------CORRECT ANSWER-----------------Within 24 hours of discovery How should you dispose of used clean up materias? ---------CORRECT ANSWER-----------------Place them in a sealable bucket, then call your emergency response contractor to dispose of them If an owner/operator identifies a reportable release from a storage tank, he or she must do what? ---------CORRECT ANSWER-----------------Submit proof of financial responsibility to t he state UST program office within 30 days
An owner/operator must leave vent lines open and functioning if a UST remains in temporary clsure for _______ months or more. --------- CORRECT ANSWER----------------- 3 Piping tightness tests for American-style suction piping must be conducted every ______________. ---------CORRECT ANSWER-----------------3 years What is not a required monthly activity at a UST facility? ---------CORRECT ANSWER-----------------Reviewing the fuel delivery records How often must tank linings be inspected? ---------CORRECT ANSWER----- ------------Every 5 years Owners/operators must maintain site closure assesment records for ____________. ---------CORRECT ANSWER-----------------Three years after completion of permanent closure or change-in-services. The Class A and Class B certification must be renewed every: --------- CORRECT ANSWER-----------------5 years UST financial responsibility requirements apply to what? ---------CORRECT ANSWER-----------------600 gallon used oil tank Secondary Containment is required for what? ---------CORRECT ANSWER- ----------------New UST Systems, Piping in contact with the ground, and Replacement UST
A Class A operator shall maintain the records of UST site inspections for a minimum of: ---------CORRECT ANSWER-----------------3 years New owners of an existing UST system shall register the UST system with DEQ/LARA within what period from date of ownership? ---------CORRECT ANSWER-----------------30 days UST systems with cathodic protection should be inspected for proper operation by a qualified cathodic protection tester on the following schedule: ---------CORRECT ANSWER-----------------Every three years UST systems with impressed current cathodic protection systems must be inspected at a minimum: ---------CORRECT ANSWER-----------------Every 60 days Within what period after a repair should a cathodically protected UST system be tested to ensure it is working properly? ---------CORRECT ANSWER-----------------6 months Pressurized underground piping that routinely contains regulated substances shall be monitored for releases in a manner that meets what requirements? ---------CORRECT ANSWER-----------------Be equipped with a line leak detector, and have an annual line tightness test
Statistical Inventory reconciliation (SIR) analyzes the following as a means of leak detection: ---------CORRECT ANSWER-----------------Inventory, Delivery and Dispensing Manual tank gauging can be used as the 'sole' means of a leak detection for tanks that are X gallons or less in capacity. X is: ---------CORRECT ANSWER-----------------550 gallons Check if the following statement is true or false: "A third party evaluation of a statistical inventory reconciliation is good for any type of tank and product." ---------CORRECT ANSWER-----------------False Automatic line leak detectors must be able to detect a leak of at least X gallons per hour at a line pressure of 10 psi witin one hour. X is: --------- CORRECT ANSWER-----------------3 gallons per hour Line testing of piping shall be capable of detecting X gallons per hour leak rate at 1 and a half times the operating pressure. X is: ---------CORRECT ANSWER-----------------0.1 gallons per hour What actions are not appropriate when when the owner/operator becomes aware of a spill or overfill? ---------CORRECT ANSWER-----------------Drain the spill to the storm sewer or nearby ditch
Upon confirmation of a release to the soil/groundwater/surface water the operator shall: ---------CORRECT ANSWER-----------------Report the release to the DEQ within 24 hours, by fax or phone A Class B operator shall not be responsible for more than the following facilities: ---------CORRECT ANSWER-----------------45 facilities What is the minimum frequency of site inspections to assure operational compliance? ---------CORRECT ANSWER-----------------Quarterly If a facility has been determined by the DEQ inspector to be out of compliance with the significant operational compliance requirements, the DEQ shall retrain: ---------CORRECT ANSWER-----------------The class A operator of the facility When planning to permanently close a UST system, the DEQ must be notified not less than: ---------CORRECT ANSWER-----------------30 days Upon permanent Removal of an UST system, the operator shall: --------- CORRECT ANSWER-----------------Notify the DEQ within 30 days with an amended registration form The operator shall notify the DEQ of a confirmed release upon removal of an UST and visual evidence showing: ---------CORRECT ANSWER----------- ------Either there is visibly contaminated groundwater in the tank cavity or there is visibly contaminated soil in the tank cavity and/or soil removed from the tank cavity
Product inventory control shall be conducted monthly to detect a release of not less than X% of flow through plus 130 gallons a monthly basis. X% is: -- -------CORRECT ANSWER-----------------1% Automatic line leak detector may be used only if the method detects X gallons per hour at 10 pounds per square inch line pressure within one hour. X is: ---------CORRECT ANSWER-----------------3 gallons per hour Tank tightness testing, or another test of equivalent performance, shall be capable of detecting X gallon per hour leak rate from any portion of the tank while accounting for the effects of thermal expansion or the contraction of the product, vapor pockets, tank deformation, evaporation or condensation, and the location of the water table. X is: ---------CORRECT ANSWER--------- --------0.1 gallons per hour MUSTR requires that X soil borings to be taken as close as practical to the bottom of the UST, but no more than 5 feet away from the tank, nor more than 2 feet below the tank. X is: ---------CORRECT ANSWER----------------- 2 soil borings The results of site assessments conductedper MUSTR R 29.2155 are required to be kept by the owner for not less than X years. X is: --------- CORRECT ANSWER-----------------3 years Which National Leak Prevention Association Standard on lining of USTs is adopted by reference in the MUSTR? ---------CORRECT ANSWER----------- ------ 631
MUSTR requires what to happen with a UST before it is removed from the ground or closed in place? ---------CORRECT ANSWER-----------------Is registered and all fees are paid When using secondary containment with interstitial monitor must be checked at least once every... ---------CORRECT ANSWER----------------- 30 days A manual tank gauge stick must be marked to the nearest: --------- CORRECT ANSWER-----------------1/8 inch Records of tank and piping tightness testing should be maintained for: ------ ---CORRECT ANSWER-----------------5 years Class C Operators should know: ---------CORRECT ANSWER----------------- How to respond to emergencies at the facility If LARA determines that a UST system is out of compliance with state and federal regualtions, the __________ for that UST system must. be retrained. ---------CORRECT ANSWER-----------------Class A Operator Which UST operators are responsible for maintaining compliance with federal, state, and local regulations? ---------CORRECT ANSWER------------- ----Class A Operator
What is an interstice? ---------CORRECT ANSWER-----------------The space between the two tanks of secondary containment If using inventory control, you should measure the product in your tank _______. ---------CORRECT ANSWER-----------------Every day Manual tank gauging cannot be used on tanks with a capacity over _______ gallons. ---------CORRECT ANSWER-----------------2, Periodic ATG tests gather data ______. ---------CORRECT ANSWER-------- ---------When the facility is closed (If this choice isn't given then you would choose the choice that says 'during the quiet intervals between dispensing events') Regulations require that UST systems be monitored for releases at least once every __________. ---------CORRECT ANSWER-----------------30 days SIR is an abbreviation for... ---------CORRECT ANSWER----------------- Statistical Inventory Reconciliation
